允いん許きょ

noun, noun or participle which takes 'suru', transitive verb

permission; license; authorization

Formal or bureaucratic term for official permission or a license. Often used in legal, administrative, or technical contexts. The kanji form 允許 is rare; the word is normally written in kana.

• この行こう為いには当とう局きょくのいんきょが必ひつ要ようです。

  This activity requires permission from the authorities.

• ソフトウェアの使し用ようをいんきょする。

  To license the use of the software.